He is interested in crows because he heard on a nature show that they are one of the only species that are more intelligent than they need to be to survive.

NEWYORKER: The Other Place

One thing both evolutionists and intelligent designists agree on is that as more and more golf courses are built, soon enough, there will be no arable land left to grow crops, so the human race will die out anyway.

NPR: The Golf World's Biggest Controversy